fuse

I have a short somewhere that keeps blowing the 10A meter fuse as soon as the key is turned to accessory position. I wanted to rule out all the components before I decide to start digging into the wire harness but I'm not sure what some of the abbreviations mean on this diagram. Anyone know what...

I hadn't turned the light bar on in maybe a few weeks? Then yesterday evening on a trail I went to turn it on and BOOM...nothing. 99% sure the light bar itself still works as I haven't used it a whole bunch, it should last like 50,000 hours or something crazy, and its waterproof. The switch I...